Endodontic Radiology

Endodontic Radiology

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  • Includes Credits

    CE Hours: 1.5

    Description: Join us for a review of some large and significant pathologies, their clinical presentation, imaging features, and discussion of management.

    Learning Objectives:  

    • Describe cases of large pathologies in the maxillofacial region
    • Explain some of the imaging techniques and radiographic features of large pathology in the maxillofacial region
    • Identify the clinical significance and management strategy of large pathology in the maxillofacial region

    Laurence Gaalaas, D.D.S., M.S.

    Dr. Gaalaas received his dental degree from the University of Minnesota and completed specialty training and a Master of Science degree in oral and maxillofacial radiology from the University of North Carolina at Chapel Hill. As a researcher and inventor, his expertise includes clinical applications of cone beam computed tomography, caries detection and diagnosis, and development of novel imaging techniques specific to dentistry such as low dose 3D intraoral radiography and dental MRI. He is a Diplomate of the American Board of Oral and Maxillofacial Radiology, a member of the American Academy of Oral and Maxillofacial Radiology, and has ongoing teaching responsibilities plus an active radiology practice through the University of Minnesota and RAYUS Radiology.

    Speaker Disclosure 

    I declare that I have no proprietary, financial, or other personal interest of any nature or kind in any product, service, course, and/or company, or in any firm beneficially associated therewith, that will be discussed or considered during the proposed presentation.

    Jacob Yetzer, D.D.S., M.D.

    Dr. Jacob Yetzer is an Oral and Maxillofacial Surgeon with subspecialty focus on Head and Neck Oncology and Reconstruction. He currently practices both in the private setting in Minneapolis, Minnesota and serves as adjunct factulty at the University of Minnesota and North Memorial Health Hospital. Dr. Yetzer has served as faculty in Oral and Maxillofacial Surgery at both Mayo Clinic and the University. Dr. Yetzer's publications and lectures have included a wide range of topics in the arena of Head and Neck Surgery and Reconstruction. His peer-reviewed literature and other chapters describe clinical pathways for the management of oncology patients, oral cancer, reconstruction of oromandibular defects, microvascular reconstruction of complex defects of the maxillofacial region, thyroid surgery, simultaneous whole-arch dentoskeletal reconstruction and use of technology in maxillofacial oncology patients. Dr. Yetzer completed his fellowship in Head and Neck Oncology and Microvascular Reconstruction at the University of Florida-Jacksonville in 2015. He also completed his medical training and residency at this same institution. He completed his dental training at Pacific University in 2008.

    I declare that I have no proprietary, financial, or other personal interest of any nature or kind in any product, service, course, and/or company, or in any firm beneficially associated therewith, that will be discussed or considered during the proposed presentation.

  • Includes Credits

    CE Hours: 1.5

    Description: Join us for a review of common and significant conditions that may present as a conventional endodontic lesion, with tips on early recognition and what to do following diagnosis.

    Learning Objectives:  

    • List common and significant conditions that can mimic conventional endodontic lesions
    • Identify the helpful clinical and imaging features that may suggest a non-conventional endodontic lesion
    • Explain the importance of tissue biopsy for diagnosis and next steps with common and significant imposters of endodontic lesions

    Laurence Gaalaas, D.D.S., M.S.

    Dr. Gaalaas received his dental degree from the University of Minnesota and completed specialty training and a Master of Science degree in oral and maxillofacial radiology from the University of North Carolina at Chapel Hill. As a researcher and inventor, his expertise includes clinical applications of cone beam computed tomography, caries detection and diagnosis, and development of novel imaging techniques specific to dentistry such as low dose 3D intraoral radiography and dental MRI. He is a Diplomate of the American Board of Oral and Maxillofacial Radiology, a member of the American Academy of Oral and Maxillofacial Radiology, and has ongoing teaching responsibilities plus an active radiology practice through the University of Minnesota and RAYUS Radiology.

    Speaker Disclosure 

    I declare that I have no proprietary, financial, or other personal interest of any nature or kind in any product, service, course, and/or company, or in any firm beneficially associated therewith, that will be discussed or considered during the proposed presentation.

    John R.. Kalmar, D.M.D., Ph.D.

    John Kalmar is a Professor of Oral and Maxillofacial Pathology at The Ohio State University. Dr. Kalmar received his BS from the University of Illinois, his dental degree from Southern Illinois University, residency training in hospital dentistry (UNC-Chapel Hill) and oral pathology (Emory University) and a Ph.D. in Experimental Pathology from Emory in 1989. He served as Director of Clinical Operations in the Emory School of Postgraduate Dentistry until 1992, when he joined the Department of Pathology at the University of Rochester, Rochester, NY. In 1999, he moved to Ohio State, where he currently serves as Program Director in Oral Pathology and president of the Ohio State Dental Faculty Practice. Dr. Kalmar is a Past-President of the American Academy of Oral and Maxillofacial Pathology, a diplomate and past Director of the American Board of Oral and Maxillofacial Pathology and serves on the Editorial Board of Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology (OOOO). Dr. Kalmar has published over 80 manuscripts and book chapters and has served as a Consultant for the ADA Council of Scientific Affairs. He teaches both pre-and post-doctoral students and enjoys providing continuing education to a variety of professional audiences.

  • Includes Credits

    CE Hours: 1.5

    Description: Vertical root fractures in endodontically treated teeth were considered a vexing –frustrating issue both for the operator and the patient alike. In recent years, this complication of root canal treatment had showed both advances in VRF diagnosis and in saving from extraction in some of these teeth.

    VRF diagnosis has to be done accurately and n timely due to the destructive results in the supporting bone if not achieved in time. The use of CBCT as an additional diagnostic tool, enhances the possibility to achieve accurate VRF diagnosis, although some drawbacks in this imaging modality still exists. Treatment options vary from root amputation in multirooted teeth to a more complex surgical management.

    Learning Objectives:  

    • Describe the importance of achieving accurate and timely manner VRF diagnosis
    • List the recent advances in VRF diagnosis imaging modalities
    • Discuss the various considerations to save a vertically fractured tooth

    Aviad Tamse, D.M.D.

    Dr Aviad Tamse received his DMD degree in 1969, and from 1971 to 1973, he attended Harvard Dental school in Boston, Massachusetts, where he received his endodontic training. Dr. Tamse was President of the Israel Endodontic Society, ,and chair of the Accreditation Committee of Graduate Dental Programs in Israel. Dr Tamse served as chair of the department of Endodontology Tel-Aviv University School of Dental Medicine from 2000-2008 , and in 1982 was a co-founder of the European Society of Endodontology. Dr. Tamse has authored and co-authored over 90 scientific articles in peer-reviewed journals and 5 chapters in books.Recently he served as the senior editor of a book on vertical root fractures in dentistry. He served on the Editorial Board of the International Endodontic Journal . His primary research interest has been vertical root fractures in endodontically treated teeth and is the editor of a new book on root fractures. Currently Dr. Tamse is Professor Emeritus at the Department of Endodontology, School of Dental Medicine, Tel-Aviv University.

  • Product not yet rated Includes Credits

    CE Hours: 1.0

    Description: Inferior Alveolar Nerve injury is a relatively uncommon occurrence but nonetheless is a serious side effect of endodontic treatment of mandibular posterior teeth. It can result in permanently altered sensation which can have serious and detrimental effects on the patient’s quality of life. It is largely avoidable with correct preoperative assessment and judicious treatment protocols.

    Endodontic treatment-related inferior alveolar and mental nerve injuries are most commonly (but not exclusively) reported in relation to mandibular second molars and premolars. An understandable desire to retain these teeth coupled with complex restorative histories, increasingly presents practitioners with challenging endodontic cases which may involve greater risk of nerve damage. We look forward to proposing a new tiered grading system based upon radiographic and clinical factors to aid risk assessment and thus decision-making regarding suitability for treatment, further investigation or early appropriate referral to specialist endodontists.

    • Evaluate the relationship of the Inferior alveolar canal and the apical portion of teeth using 2D and 3D radiographic modalities
    • Use the new tiered grading system to evaluate the risk of nerve injury associated with endodontic treatment
    • Plan appropriate endodontic treatment methodologies to manage moderate and high risk cases


    Allen F. Gaon, BDS MSc (Endo) MFDS RCPS (Glasg) MDTFEd MFDS RCSEd MFGDP(UK)

    Dr Allen Gaon is a Specialist Endodontist in clinical practice in the UK. Allen is a UK and International educator and presenter of Postgraduate Endodontics programmes. Allen is currenrtly undetaking research for a PhD at the University of Warwick, United Kingdom. Previously, Course Director for Post Graduate Masters Programme in Endodontics, University of Warwick, United Kingdom.

    Speaker Disclosure 

    I declare that I have no proprietary, financial, or other personal interest of any nature or kind in any product, service, course, and/or company, or in any firm beneficially associated therewith, that will be discussed or considered during the proposed presentation.

    Paul G. Cruci, BDS MSc Endo MSc Imp Dent FDSRCSEd MFDSRCSEd MFDSRCPS Glasg MDTFEd MGDSRCSEng DPDS Brist MFGDP(UK) LDSRCS Eng

    Former Associate Professor, University of Warwick Medical School, Coventry, UK, teaching on the MSc Endodontics course. Examiner for the Royal College of Surgeons of Edinburgh, for the Membership in Endodontics, which is the exit qualification from U.K. specialist training. I also examine for the Membership in Advanced General Dental Surgery at the same College.

    Speaker Disclosure 

    I declare that I have no proprietary, financial, or other personal interest of any nature or kind in any product, service, course, and/or company, or in any firm beneficially associated therewith, that will be discussed or considered during the proposed presentation.

  • Includes Credits

    CE: 1.25 | This is a two-part presentation. 

    NS-14 - The Role of CBCT in Endodontics – What Does Available Evidence Say and When to Order

    Course Description: 

    Cone beam computed tomography (CBCT) is the newest, widely-adopted imaging modality available to the practicing endodontist. This discussion will review what available evidence says about the role of CBCT in endodontic case diagnosis, treatment planning, treatment outcomes, and practitioner confidence. We will also discuss the thought process and rational for ordering a CBCT scan and place into context the relevant risks of using ionizing radiation in the endodontics clinic.

    At the conclusion, participants should be able to:

    • Review what available evidence says about the role of CBCT in endodontics
    • Explain the thought process and rationale for when to order at CBCT scan
    • Place into context the relevant risks associated with use of ionizing radiation in an endodontics clinic

    NS-3 - Overview of Medicolegal Aspects of Dental Radiology

    Cone beam computed tomography (CBCT) has afforded the practicing endodontist a new realm of 3D diagnostic imaging with many clinical advantages, however; standing medicolegal principles of ordering any diagnostic test still apply. This discussion will review general principles of medicolegal aspects of dentistry including a presentation of the general thought process and rationale for ordering any radiographic examination in dentistry, a review of the general medicolegal duties of members of the dental team with respect to the standard of care in radiology, and discussion of image/scan reviewing and reporting responsibilities.

    At the conclusion, participants should be able to:

    • Describe the general thought process and rationale for ordering any radiographic examination in dentistry, including CBCT
    • Review some general medicolegal duties of members of the dental team with respect to standard of care in radiology
    • Discuss reviewing and reporting responsibilities

    Bruno Azevedo, D.D.S., M.S.

    Dr. Bruno Azevedo – aka- The Cone Beam Guy is an Oral Maxillofacial Radiologists with extensive experience in 3D imaging technologies in Dentistry. He attended the University of Texas Health Science Center in San Antonio, where he received both a certificate in Oral Maxillofacial Radiology and a Masters in Dental Diagnostic Sciences. Dr. Azevedo is a diplomate of the American Board of Oral and Maxillofacial Radiology and is one of the most active speakers in North America regarding dental 3D imaging technologies. He was a founding faculty of Western University College of Dental Medicine and served as the Oral Radiology Department Director for six years at the University of Louisville. Dr. Azevedo currently works in private practice Oral Maxillofacial Radiology and provides consulting services regarding dental imaging and 3D printing.

    Speaker Disclosure 

    In accordance with this policy, I declare I have a past or present proprietary or relevant financial relationship or receive gifts in kind (including soft intangible remuneration), consulting position or affiliation, or other personal interest of any nature or kind in any product, service, course and/or company, or in any firm beneficially associated therewith, as indicated: Cone Beam Guy (Individual(s) Involved: Self): Consultant, Stockholder/Ownership Interest (excluding diversified mutual funds); J.Morita USA (Individual(s) Involved: Self): Consultant

    Laurence Gaalaas, D.D.S., M.S.

    Dr. Gaalaas received his dental degree from the University of Minnesota and completed specialty training and a Master of Science degree in oral and maxillofacial radiology from the University of North Carolina at Chapel Hill. As a researcher and inventor, his expertise includes clinical applications of cone beam computed tomography, caries detection and diagnosis, and development of novel imaging techniques specific to dentistry such as low dose 3D intraoral radiography and dental MRI. He is a Diplomate of the American Board of Oral and Maxillofacial Radiology, a member of the American Academy of Oral and Maxillofacial Radiology, and has ongoing teaching responsibilities plus an active radiology practice through the University of Minnesota and RAYUS Radiology.

    Speaker Disclosure 

    I declare that I have no proprietary, financial, or other personal interest of any nature or kind in any product, service, course, and/or company, or in any firm beneficially associated therewith, that will be discussed or considered during the proposed presentation.

  • Includes Credits

    CE Hours: 1.0

    Description: Radiography has played a fundamental role in the advancement of nonsurgical root canal therapy (NSRCT), allowing for more accurate diagnosis and treatment. Typically, providers choose to perform NSRCT using periapical (PA) radiographs alone or, often in more difficult cases, in conjunction with cone-beam computed tomographic (CBCT) imaging. This study aimed to evaluate the outcomes of NSRCT based on imaging modality selection for the initial treatment of maxillary first molars.

    • To describe the association between image modality selection, case complexity, and the associated risk of posttreatment endodontic disease.
    • To list factors that may influence the outcome of non-surgical root canal treatment (NSRCT) on maxillary first molars.
    • To assess the use of two imaging modalities (CBCT and PA radiographs) in the initial, non-surgical, treatment of maxillary first molars. 

    Devon M. Ptak, DMD, MPH,*

    Matthew D. Finkelman, PhD

    Robert B. Amato, DMD

  • Includes Credits

    CE Hours: 1.5

    Description: This lecture will describe the advancements in the field of MRI that make its use in dentistry feasible. After a quick review of basic technical aspects of MRI, namely hardware and pulse sequence developments, this lecture will address research exploring the clinic needs not being adequately covered with existing clinical imaging systems in dentistry. Furthermore, it will outline the risk, benefits, and alternatives of future use of MRI in Endodontics so that the practicing clinician can make informed decisions when such technologies become commercially available.

    • Explain why MRI offers greater sensitivity for detecting pathologies.
    • List the characteristics of MRI pulse sequences that allow for visualization and identification of various types of tissue.
    • Discuss the current limitations of using MRI in a dental office setting and how they are being overcome.

    Donald R. Nixdorf, DDS, MS

    After graduating from the University of Alberta Faculty of Dentistry, Dr. Nixdorf completed hospital dentistry residency at The Ohio State University, Anesthesia fellowship at Johns Hopkins University, Orofacial Pain fellowship at the University of Alberta, and a Master of Science in Clinical Research at the University of Minnesota. As a Diplomate of the National Dental Board of Anesthesiology (NDBA) and the American Board of Orofacial Pain (ABOP), he maintains a specialty Orofacial Pain practice on the diagnoses and management of chronic TMD pain, headaches, and neuropathic pain within multi-disciplinary settings. Dr. Nixdorf’s research has focused on the topics of non-odontogenic “tooth” pain from a classification, diagnosis, epidemiology, and treatment perspectives, as well as TMD and, most recently, dental MRI, with over 85 published articles. Dr. Nixdorf is Professor, Division Director, and past Graduate Program Director at the University of Minnesota in the Division of TMD & Orofacial Pain.

    Don Nixdorf, D.D.S., M.S.

    In accordance with this policy, I declare I have a past or present proprietary or relevant financial relationship or receive gifts in kind (including soft intangible remuneration), consulting position or affiliation, or other personal interest of any nature or kind in any product, service, course and/or company, or in any firm beneficially associated therewith, as indicated: MinnScan LLC () : Patent holder, Stockholder/Ownership Interest (excluding diversified mutual funds)


  • Includes Credits

    CE Credits: 1.5

    Course Description:   Cone beam volumetric tomography is a diagnostic imaging modality that provides high-quality, accurate, three-dimensional representations of the osseous elements of the maxillofacial skeleton. CBVT has great potential to become a valuable tool in modern endodontic microsurgery. Different applications of CBVT in diagnosis, treatment planning and long-term outcome evaluation of periapical surgery will be reviewed. Video footage of clinical cases will be utilized to demonstrate the 3-D scan evaluation as well as the surgical procedures for cases involving vital structures and cases where bone grafting is indicated.  

    At the conclusion, participants should be able to:

    • Identify the importance of CBVT information in presurgical assessment, case selection and treatment planning.
    • Utilize the appropriate Guided Bone Regeneration products as bone grafts and membranes in endodontic/periodontal and marginal defect cases when indicated.
    • Utilize the CBVT information to identify and manage cases involving vital structure (maxillary sinus, inferior alveolar, mental and nasopalatine bundle).

    Mohamed I. Fayad, DDS, MS, PhD

    Dr. Fayad received his DDS from the College of Dentistry, Cairo University in 1985. He received his MS in 1994 and his PhD in 1996 from the University of Buffalo at New York. He had two years of Advanced Education in General Dentistry at Eastman Dental Center, University of Rochester at New York, and received his certificate of Specialty in Endodontics at the University of Illinois. Currently he is the director of Endodontic research, and a clinical associate Professor in the Endodontic department at College of Dentistry at UIC, dividing his time between teaching, research, intra-and extra-mural continuing education and private practice. He currently serves on the Scientific Advisory and Manuscript Review Panels of the Journal of Endodontics, and Evidence Based Endodontics Journal. He served on the AAE Research and Scientific Affairs Committee and co-chaired AAE/AAOMR committee drafting the joint position statement on CBCT (2015). He has numerous publications and chapters in peer reviewed journals and textbooks (Pathways of the pulp) and (Contemporary surgical Endodontics). He is the co-editor of the CBCT text book (3-D Imaging in Endodontics: A new Era in diagnosis and treatment) by Springer (2016). He is a Diplomate of the American Board of Endodontics.

    Speaker Disclosure

    I declare that I have no proprietary, financial, or other personal interest of any nature or kind in any product, service, course, and/or company, or in any firm beneficially associated therewith, that will be discussed or considered during the proposed presentation.

    Mohamed I. Fayad, D.D.S., M.S., Ph.D.  

    Disclosure: I declare that I have no proprietary, financial, or other personal interest of any nature or kind in any product, service, course, and/or company, or in any firm beneficially associated therewith, that will be discussed or considered during the proposed presentation.